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227518 (2005 YS39)
Classification: Main-belt Asteroid          SPK-ID: 2227518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05338762144380382 5.2504e-08  
a 3.130110811702901 3.0864e-08 au
q 2.963001640610549 1.7812e-07 au
i 4.186048503314536 6.2512e-06 deg
node 311.3505880937928 5.4963e-05 deg
peri 148.7261790250917 7.9103e-05 deg
M 260.1726920907498 5.9576e-05 deg
tp 2459761.399243822032
(2022-Jun-30.89924382)
0.00033848 TDB
period 2022.730373130906
5.54
2.9917e-05
8.191e-08
d
yr
n .1779772552892307 2.6323e-09 deg/d
Q 3.297219982795252 3.2511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      7230 days (19.79 yr)  
   first obs. used      2001-02-19  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54007  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:05  

Additional Information
 Earth MOID = 1.98073 au 
 Jupiter MOID = 1.79012 au 
 T_jup = 3.207 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.38   n/a E2021B55  

227518 (2005 YS39)          Discovered 2005-Dec-22 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 YS39 = 2004 TY360 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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